1. Membrane adenosine triphosphatase of Micrococcus lysodeikticus. Isolation of two forms of the enzyme complex and correlation between enzymatic stability, latency and activity.

   • José Carreira
   • José Manuel Andreu
   • Emilio Muñoz

   General and Review Articles Pages: 67 - 76

2. Proline endopeptidase and exopeptidase activity in polymorphonuclear granulocytes

   • Rauner R. A.
   • Schmidt J. J.
   • Najjar V. A.

   General and Review Articles Pages: 77 - 80

3. Cell surface glycosyl transferase activities in liver cells of developing chicken embryos

   • Dieter Arnold
   • Erika Hommel
   • Hans-Jörg Risse

   General and Review Articles Pages: 81 - 95

4. Antibiotics and compounds affecting translation by eukaryotic ribosomes. Specific enhancement of aminoacyl-tRNA binding by methylxanthines

   • L. Carrasco
   • C. Fernandez-Puentes
   • D. Vazquez

   General and Review Articles Pages: 97 - 122

5. Hydrophobic surface properties of erythrocytes studied by affinity partition in aqueous two-phase systems

   • Eva Eriksson
   • Per-Åke Albertsson
   • Göte Johansson

   Letters to the editor Pages: 123 - 128